人教版八下Unit7 1a——1c.ppt

1、Unit 7 Whats the highest mountain in the world?,Section A 1a-1c,Qumulangma,Language goal 语言目标: Talk about geography（地理）and nature （自然） Teaching goals 教学目标: 1. Learn the new words : square（n. 平方，正方形） meter（n. 米，公尺） deep（adj. 深的） desert （n. 沙漠） 2. Review（复习）the comparatives（比较级）and the superlatives（最高

2、级）. 3. Read the large numbers correctly.,Key points（重点）:1.掌握本课新单词及句型。2.形容词和副词的比较级、最高级的熟练使用。,Difficult points（难点）:较大数字的准确读法。,The top of the world 世界之最,珠穆朗玛峰,尼罗河,里海,撒哈拉沙漠,mountain,river,salt lake,desert,the highest,the longest,the deepest,the biggest,Qomolangma about 9,600,000 square kilometers in siz

3、e The Sahara 1,025 meters deep The Caspian Sea 6,671 kilometers long The Nile 8,844.43 meters high,1a. Match the facts you know.,eight thousand eight hundred and forty-four point forty-three,nine million six hundred thousand,one thousand and twenty-five,six thousand six hundred and seventy-one,1. Qo

4、molangma is_ than any other mountain in the world. 2. The Sahara is _ desert in the world. 3. The Caspian Sea is _ of all the salt lakes(咸水湖). 4. The Nile is _ river in the world.,1b. Listen and complete the sentences.,higher,the biggest,the deepest,the longest,= the other mountains,1c. Use the info

5、rmation in 1b to make conversations.,A: What is the highest mountain in the world? B: Qomolangma.,A: What is the deepest salt lake in the world? B: The Caspian sea. A: What is the biggest desert in the world? B: The Sahara.,Pair work,A: What is the longest river in the world? B: The Nile. A:How long

6、 is the river? B:Its 6,671 kilometers long.,Oriental Pearl Tower,the Great Wall,the tallest tower in Asia,the longest wall in the world,1. good 2. comfortable 3. big 4. happy 5. cheap 6. many 7. difficult 8. little,better best,more most ,bigger biggest,happier happiest,cheaper cheapest,more most,mor

7、e most ,less least,Practice,一 写出下列单词的比较级和最高级,1. Lily gets up _ (early) than Lucy. (用所给词正确形式填空) 2. I think turkey is_ (delicious) of all. (同上) 3.This book is much _ (interesting) than that one. (同上) 4.The Yellow River is one of _ (long) rivers in China. (同上),earlier,more interesting,二 按要求完成下列各题,the m

8、ost delicious,the longest,4. The Sahara is the biggest _ (沙漠) in the world. (根据汉译单词) 5. The building is about 100 _ (米) tall.(同上) 6. He is a little _ than me. (选择题) A.tall B.taller C.tallest 7. China is the _ country in Asia(亚洲). (同上) A.big B.bigger C.biggest,desert,meters,B,C,Summary（总结）,1.常见使用形容词和副词的比较级、最高级的情形： than前使用比较级 a little, much, even等后使用比较级 the+最高级+of /in+范围 one of +最高级+名词复数 2.正确使用hundre